Message-ID: <BL0PR11MB2995CE38D40350C0FEBA3841E0459@BL0PR11MB2995.namprd11.prod.outlook.com>
Date:   Sun, 11 Sep 2022 11:40:48 +0000
From:   "Li, Philip" <philip.li@...el.com>
To:     Nathan Chancellor <nathan@...nel.org>, lkp <lkp@...el.com>,
        "Chen, Rong A" <rong.a.chen@...el.com>
CC:     "Jason A. Donenfeld" <zx2c4@...nel.org>,
        "llvm@...ts.linux.dev" <llvm@...ts.linux.dev>,
        "kbuild-all@...ts.01.org" <kbuild-all@...ts.01.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Jakub Kicinski <kuba@...nel.org>
Subject: RE: machine_kexec_file.c:undefined reference to `__tsan_memset'

> Subject: Re: machine_kexec_file.c:undefined reference to `__tsan_memset'
> 
> Hi Intel folks,
> 
> On Sun, Sep 11, 2022 at 07:24:28PM +0800, kernel test robot wrote:
> > Hi Jason,
> >
> > FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.
> 
> Please do not report any more instances of undefined references to
> __tsan_mem*() to kernel developers. It is a compiler change that causes

Got it, sorry for the noise, we will ignore this error asap.

> this, kernel changes cannot be responsible for it so it is just going to
> cause unnecessary noise and concern.
> 
> A patch series to fix this is a work in progress:
> 
> https://github.com/ClangBuiltLinux/linux/issues/1704
> https://lore.kernel.org/20220909073840.45349-1-elver@google.com/
> 
> Cheers,
> Nathan
> 
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> > head:   b96fbd602d35739b5cdb49baa02048f2c41fdab1
> > commit: b7133757da4c4c17d625970f6da3d76af12a8867 crypto: s390 - do not depend on CRYPTO_HW for SIMD implementations
> > date:   9 weeks ago
> > config: s390-randconfig-r044-20220909 (https://download.01.org/0day-ci/archive/20220911/202209111930.zTjXeajS-
> lkp@...el.com/config)
> > compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 1546df49f5a6d09df78f569e4137ddb365a3e827)
> > reproduce (this is a W=1 build):
> >         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> >         chmod +x ~/bin/make.cross
> >         # install s390 cross compiling tool for clang build
> >         # apt-get install binutils-s390x-linux-gnu
> >         #
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b7133757da4c4c17d625970f6da3d76af12a8867
> >         git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> >         git fetch --no-tags linus master
> >         git checkout b7133757da4c4c17d625970f6da3d76af12a8867
> >         # save the config file
> >         mkdir build_dir && cp config build_dir/.config
> >         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash
> >
> > If you fix the issue, kindly add following tag where applicable
> > Reported-by: kernel test robot <lkp@...el.com>
> >
> > All errors (new ones prefixed by >>):
> >
> >    s390x-linux-ld: arch/s390/kernel/dumpstack.o: in function `show_regs':
> >    dumpstack.c:(.text+0x674): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: arch/s390/kernel/dumpstack.o: in function `die':
> >    dumpstack.c:(.text+0x892): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: DWARF error: could not find abbrev number 1210904
> >    arch/s390/kernel/guarded_storage.o: in function `__se_sys_s390_guarded_storage':
> >    guarded_storage.c:(.text+0x53e): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: DWARF error: could not find abbrev number 1864652
> >    arch/s390/kernel/sthyi.o:sthyi.c:(.text+0xdc): more undefined references to `__tsan_memset' follow
> >    s390x-linux-ld: arch/s390/kernel/sthyi.o: in function `sthyi_fill':
> >    sthyi.c:(.text+0x206): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: sthyi.c:(.text+0x238): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: sthyi.c:(.text+0x2ea): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: sthyi.c:(.text+0xbf6): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: DWARF error: could not find abbrev number 9927
> >    arch/s390/kernel/ipl_vmparm.o: in function `ipl_block_get_ascii_vmparm':
> >    ipl_vmparm.c:(.text+0x6c): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: DWARF error: could not find abbrev number 95
> >    arch/s390/kernel/unwind_bc.o: in function `__unwind_start':
> >    unwind_bc.c:(.text+0x5e4): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: DWARF error: invalid or unhandled FORM value: 0x23
> >    arch/s390/kernel/smp.o: in function `smp_ctl_set_clear_bit':
> >    smp.c:(.text+0x15a4): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: arch/s390/kernel/smp.o: in function `smp_ctl_bit_callback':
> >    smp.c:(.text+0x16dc): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: arch/s390/kernel/smp.o: in function `__cpu_up':
> >    smp.c:(.text+0x2296): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: smp.c:(.text+0x22a8): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: smp.c:(.text+0x25aa): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: arch/s390/kernel/smp.o: in function `__cpu_disable':
> >    smp.c:(.text+0x2a28): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: DWARF error: could not find abbrev number 8626
> >    arch/s390/kernel/stacktrace.o: in function `arch_stack_walk':
> >    stacktrace.c:(.text+0x38): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: arch/s390/kernel/stacktrace.o: in function `arch_stack_walk_reliable':
> >    stacktrace.c:(.text+0x134): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: DWARF error: could not find abbrev number 73
> >    arch/s390/kernel/nospec-sysfs.o: in function `cpu_show_spectre_v1':
> >    nospec-sysfs.c:(.text+0x2a): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: arch/s390/kernel/nospec-sysfs.o: in function `cpu_show_spectre_v2':
> >    nospec-sysfs.c:(.text+0x9e): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: nospec-sysfs.c:(.text+0xbe): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: nospec-sysfs.c:(.text+0xde): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: DWARF error: could not find abbrev number 2692
> >    arch/s390/kernel/module.o: in function `module_frob_arch_sections':
> >    module.c:(.text+0x478): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: DWARF error: could not find abbrev number 123
> >    arch/s390/kernel/kprobes.o: in function `copy_instruction':
> >    kprobes.c:(.text+0x12c): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: arch/s390/kernel/kprobes.o: in function `arch_prepare_kprobe':
> >    kprobes.c:(.text+0x5fa): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: DWARF error: could not find abbrev number 11596
> >    arch/s390/kernel/ftrace.o: in function `ftrace_plt_init':
> >    ftrace.c:(.init.text+0x50): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: DWARF error: could not find abbrev number 274
> >    arch/s390/kernel/crash_dump.o: in function `elfcorehdr_alloc':
> >    crash_dump.c:(.text+0xa4a): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: crash_dump.c:(.text+0xb10): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: crash_dump.c:(.text+0xb9c): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: crash_dump.c:(.text+0xbb8): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: crash_dump.c:(.text+0xc80): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: crash_dump.c:(.text+0xc9c): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: crash_dump.c:(.text+0xd2a): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: arch/s390/kernel/crash_dump.o:crash_dump.c:(.text+0xd46): more undefined references to `__tsan_memcpy'
> follow
> >    s390x-linux-ld: arch/s390/kernel/crash_dump.o: in function `elfcorehdr_alloc':
> >    crash_dump.c:(.text+0xdb2): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: crash_dump.c:(.text+0xdc4): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: crash_dump.c:(.text+0xdd6): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: crash_dump.c:(.text+0xde8): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: crash_dump.c:(.text+0xe08): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: crash_dump.c:(.text+0xe7c): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: crash_dump.c:(.text+0xe98): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: crash_dump.c:(.text+0xebc): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: crash_dump.c:(.text+0xece): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: crash_dump.c:(.text+0xee0): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: crash_dump.c:(.text+0xef2): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: crash_dump.c:(.text+0xf7c): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: crash_dump.c:(.text+0xfb8): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: crash_dump.c:(.text+0x104e): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: crash_dump.c:(.text+0x1118): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: crash_dump.c:(.text+0x11e2): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: arch/s390/kernel/crash_dump.o:crash_dump.c:(.text+0x12a8): more undefined references to `__tsan_memcpy'
> follow
> >    s390x-linux-ld: arch/s390/kernel/crash_dump.o: in function `elfcorehdr_alloc':
> >    crash_dump.c:(.text+0x15d0): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: arch/s390/kernel/crash_dump.o: in function `elfcorehdr_read':
> >    crash_dump.c:(.text+0x18b0): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: arch/s390/kernel/crash_dump.o: in function `elfcorehdr_read_notes':
> >    crash_dump.c:(.text+0x1920): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: arch/s390/kernel/crash_dump.o: in function `get_vmcoreinfo_old':
> >    crash_dump.c:(.text+0x197e): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: crash_dump.c:(.text+0x1ade): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: arch/s390/kernel/crash_dump.o: in function `save_area_add_regs':
> >    crash_dump.c:(.init.text+0x182): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: crash_dump.c:(.init.text+0x194): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: crash_dump.c:(.init.text+0x1a6): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: crash_dump.c:(.init.text+0x1b8): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: crash_dump.c:(.init.text+0x1ca): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: arch/s390/kernel/crash_dump.o:crash_dump.c:(.init.text+0x2ea): more undefined references to
> `__tsan_memcpy' follow
> >    s390x-linux-ld: DWARF error: could not find abbrev number 80348352
> >    arch/s390/kernel/machine_kexec_file.o: in function `kexec_file_add_components':
> > >> machine_kexec_file.c:(.text+0x30): undefined reference to `__tsan_memset'
> > >> s390x-linux-ld: machine_kexec_file.c:(.text+0x110): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: arch/s390/kernel/machine_kexec_file.o: in function `kexec_file_add_initrd':
> >    machine_kexec_file.c:(.text+0x270): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: arch/s390/kernel/machine_kexec_file.o: in function `kexec_file_add_purgatory':
> >    machine_kexec_file.c:(.text+0x3e0): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: arch/s390/kernel/machine_kexec_file.o: in function `kexec_file_add_ipl_report':
> >    machine_kexec_file.c:(.text+0x5e0): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: DWARF error: could not find abbrev number 4017695074
> >    arch/s390/kernel/kexec_image.o: in function `kexec_file_add_kernel_image':
> > >> kexec_image.c:(.text+0x70): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: DWARF error: could not find abbrev number 87
> >    arch/s390/kernel/kexec_elf.o: in function `kexec_file_add_kernel_elf':
> > >> kexec_elf.c:(.text+0x352): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: DWARF error: could not find abbrev number 1885236
> >    arch/s390/kernel/trace.o:trace.c:(.text+0xba): more undefined references to `__tsan_memset' follow
> >    s390x-linux-ld: DWARF error: could not find abbrev number 10151
> >    arch/s390/mm/extmem.o: in function `segment_type':
> >    extmem.c:(.text+0x550): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: arch/s390/mm/extmem.o: in function `segment_load':
> >    extmem.c:(.text+0x60e): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: extmem.c:(.text+0x85c): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: extmem.c:(.text+0xc80): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: extmem.c:(.text+0xfe4): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: arch/s390/mm/extmem.o: in function `segment_modify_shared':
> >    extmem.c:(.text+0x1750): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: extmem.c:(.text+0x1998): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: arch/s390/mm/extmem.o: in function `segment_unload':
> >    extmem.c:(.text+0x1d4e): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: extmem.c:(.text+0x1f96): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: arch/s390/mm/extmem.o: in function `segment_save':
> >    extmem.c:(.text+0x21ac): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: arch/s390/mm/extmem.o:extmem.c:(.text+0x21be): more undefined references to `__tsan_memset' follow
> >    s390x-linux-ld: DWARF error: could not find abbrev number 3642308623
> >    arch/s390/mm/maccess.o: in function `s390_kernel_write':
> >    maccess.c:(.text+0x4e): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: arch/s390/mm/maccess.o: in function `memcpy_absolute':
> >    maccess.c:(.text+0x462): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: maccess.c:(.text+0x4ca): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: arch/s390/mm/maccess.o: in function `xlate_dev_mem_ptr':
> >    maccess.c:(.text+0x962): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: maccess.c:(.text+0x9d2): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: DWARF error: could not find abbrev number 704951
> >    arch/s390/mm/pgalloc.o: in function `page_table_free':
> >    pgalloc.c:(.text+0xc3a): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: arch/s390/mm/pgalloc.o: in function `__tlb_remove_table':
> >    pgalloc.c:(.text+0x10c8): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: DWARF error: could not find abbrev number 12578
> >    arch/s390/mm/extable.o: in function `fixup_exception':
> >    extable.c:(.text+0x20e): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: DWARF error: could not find abbrev number 12654
> >    arch/s390/mm/dump_pagetables.o: in function `ptdump_check_wx':
> >    dump_pagetables.c:(.text+0x5a): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: dump_pagetables.c:(.text+0xa0): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: dump_pagetables.c:(.text+0xb8): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: arch/s390/mm/dump_pagetables.o: in function `pt_dump_init':
> >    dump_pagetables.c:(.text+0x7c8): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: dump_pagetables.c:(.text+0x7f8): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: dump_pagetables.c:(.text+0x82a): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: dump_pagetables.c:(.text+0x85e): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: arch/s390/mm/dump_pagetables.o: in function `ptdump_show':
> >    dump_pagetables.c:(.text+0x96e): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: dump_pagetables.c:(.text+0x9b4): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: DWARF error: could not find abbrev number 10066
> >    arch/s390/mm/gmap.o: in function `gmap_put':
> >    gmap.c:(.text+0x6a4): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: gmap.c:(.text+0x6b6): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: gmap.c:(.text+0x7d6): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: arch/s390/mm/gmap.o:gmap.c:(.text+0x7e8): more undefined references to `__tsan_memset' follow
> >    s390x-linux-ld: DWARF error: could not find abbrev number 1066736
> >    arch/s390/crypto/sha256_s390.o: in function `sha256_export':
> > >> sha256_s390.c:(.text+0x140): undefined reference to `__tsan_memcpy'
> > >> s390x-linux-ld: sha256_s390.c:(.text+0x152): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: arch/s390/crypto/sha256_s390.o: in function `sha256_import':
> >    sha256_s390.c:(.text+0x1c4): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: sha256_s390.c:(.text+0x1d6): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: arch/s390/crypto/sha256_s390.o: in function `sha256_s390_init':
> > >> sha256_s390.c:(.init.text+0x74): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: DWARF error: could not find abbrev number 87
> >    arch/s390/crypto/sha_common.o: in function `s390_sha_update':
> > >> sha_common.c:(.text+0xa6): undefined reference to `__tsan_memcpy'
> > >> s390x-linux-ld: sha_common.c:(.text+0x13e): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: arch/s390/crypto/sha_common.o: in function `s390_sha_final':
> >    sha_common.c:(.text+0x28e): undefined reference to `__tsan_memcpy'
> > >> s390x-linux-ld: sha_common.c:(.text+0x2a4): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: DWARF error: could not find abbrev number 1238827
> >    arch/s390/crypto/sha3_512_s390.o: in function `sha3_512_init':
> > >> sha3_512_s390.c:(.text+0x30): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: arch/s390/crypto/sha3_512_s390.o: in function `sha3_512_export':
> > >> sha3_512_s390.c:(.text+0xc0): undefined reference to `__tsan_memcpy'
> > >> s390x-linux-ld: sha3_512_s390.c:(.text+0xd2): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: arch/s390/crypto/sha3_512_s390.o: in function `sha3_512_import':
> >    sha3_512_s390.c:(.text+0x17c): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: sha3_512_s390.c:(.text+0x18e): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: arch/s390/crypto/sha3_512_s390.o: in function `sha3_384_init':
> >    sha3_512_s390.c:(.text+0x1f0): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: arch/s390/crypto/sha3_512_s390.o: in function `sha3_384_import':
> >    sha3_512_s390.c:(.text+0x29c): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: sha3_512_s390.c:(.text+0x2ae): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: arch/s390/crypto/sha3_512_s390.o: in function `init':
> > >> sha3_512_s390.c:(.init.text+0x74): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: DWARF error: could not find abbrev number 43
> >    arch/s390/crypto/crc32-vx.o: in function `crc32le_vx_update':
> > >> crc32-vx.c:(.text+0xa8): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: arch/s390/crypto/crc32-vx.o: in function `crc32le_vx_finup':
> >    crc32-vx.c:(.text+0x288): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: arch/s390/crypto/crc32-vx.o: in function `crc32le_vx_digest':
> >    crc32-vx.c:(.text+0x424): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: arch/s390/crypto/crc32-vx.o: in function `crc32be_vx_update':
> >    crc32-vx.c:(.text+0x658): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: arch/s390/crypto/crc32-vx.o: in function `crc32be_vx_finup':
> >    crc32-vx.c:(.text+0x838): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: arch/s390/crypto/crc32-vx.o:crc32-vx.c:(.text+0x9d4): more undefined references to `__tsan_memcpy' follow
> >    s390x-linux-ld: DWARF error: could not find abbrev number 1172571
> >    arch/s390/crypto/arch_random.o: in function `s390_arch_get_random_long':
> >    arch_random.c:(.text+0x2ce): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: arch_random.c:(.text+0x30c): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: arch/s390/crypto/arch_random.o: in function `arch_rng_refill_buffer':
> >    arch_random.c:(.text+0x408): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: arch_random.c:(.text+0x442): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: arch/s390/crypto/arch_random.o: in function `s390_arch_random_init':
> >    arch_random.c:(.init.text+0x2c): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: arch/s390/crypto/arch_random.o:arch_random.c:(.init.text+0x80): more undefined references to
> `__tsan_memset' follow
> >    s390x-linux-ld: DWARF error: could not find abbrev number 1403790468
> >    arch/s390/net/bpf_jit_comp.o: in function `bpf_int_jit_compile':
> >    bpf_jit_comp.c:(.text+0x208): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: bpf_jit_comp.c:(.text+0x270): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: bpf_jit_comp.c:(.text+0x45e): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: arch/s390/net/bpf_jit_comp.o: in function `jit_fill_hole':
> >    bpf_jit_comp.c:(.text+0x9744): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: DWARF error: could not find abbrev number 8135
> >    kernel/fork.o: in function `trace_event_raw_event_task_newtask':
> >    fork.c:(.text+0x14e): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: fork.c:(.text+0x204): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: kernel/fork.o: in function `trace_event_raw_event_task_rename':
> >    fork.c:(.text+0x28e): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: fork.c:(.text+0x344): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: kernel/fork.o: in function `vm_area_alloc':
> >    fork.c:(.text+0x4b0): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: kernel/fork.o: in function `vm_area_dup':
> >    fork.c:(.text+0x58a): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: fork.c:(.text+0x5a2): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: fork.c:(.text+0x5d8): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: kernel/fork.o: in function `arch_dup_task_struct':
> >    fork.c:(.text+0xe40): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: kernel/fork.o: in function `mm_alloc':
> >    fork.c:(.text+0xeea): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: kernel/fork.o: in function `mm_init':
> >    fork.c:(.text+0xf3c): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: fork.c:(.text+0x1002): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: kernel/fork.o: in function `copy_process':
> >    fork.c:(.text+0x2878): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: fork.c:(.text+0x2994): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: kernel/fork.o:fork.c:(.text+0x2bfc): more undefined references to `__tsan_memset' follow
> >    s390x-linux-ld: kernel/fork.o: in function `dup_mm':
> >    fork.c:(.text+0x43c2): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: fork.c:(.text+0x4928): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: fork.c:(.text+0x4940): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: fork.c:(.text+0x497a): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: kernel/fork.o: in function `create_io_thread':
> >    fork.c:(.text+0x4e74): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: kernel/fork.o: in function `kernel_clone':
> >    fork.c:(.text+0x4ef8): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: kernel/fork.o: in function `kernel_thread':
> >    fork.c:(.text+0x54a4): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: kernel/fork.o: in function `user_mode_thread':
> >    fork.c:(.text+0x5534): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: kernel/fork.o:fork.c:(.text+0x55a8): more undefined references to `__tsan_memset' follow
> >    s390x-linux-ld: kernel/fork.o: in function `sysctl_max_threads':
> >    fork.c:(.text+0x6068): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: kernel/fork.o: in function `dup_task_struct':
> >    fork.c:(.text+0x6772): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: kernel/fork.o: in function `copy_sighand':
> >    fork.c:(.text+0x6934): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: kernel/fork.o: in function `copy_signal':
> >    fork.c:(.text+0x6c66): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: kernel/fork.o: in function `copy_seccomp':
> >    fork.c:(.text+0x6eaa): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: kernel/fork.o: in function `copy_clone_args_from_user':
> >    fork.c:(.text+0x74a4): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: fork.c:(.text+0x7552): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: fork.c:(.text+0x766a): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: fork.c:(.text+0x78c0): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: kernel/fork.o: in function `fork_init':
> >    fork.c:(.init.text+0x1a0): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: kernel/fork.o: in function `fork_idle':
> >    fork.c:(.init.text+0x2b0): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: fork.c:(.init.text+0x316): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: fork.c:(.init.text+0x338): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: fork.c:(.init.text+0x36a): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: fork.c:(.init.text+0x39c): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: DWARF error: could not find abbrev number 14327
> >    kernel/panic.o: in function `print_tainted':
> >    panic.c:(.text+0x2de): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: panic.c:(.text+0x416): undefined reference to `__tsan_memcpy'
> >    s390x-linux-ld: kernel/panic.o: in function `warn_slowpath_fmt':
> >    panic.c:(.text+0xbac): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: kernel/panic.o: in function `panic':
> >    panic.c:(.text.unlikely.+0x2c): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: DWARF error: could not find abbrev number 51
> >    kernel/cpu.o: in function `trace_event_raw_event_cpuhp_enter':
> >    cpu.c:(.text+0x242): undefined reference to `__tsan_memset'
> >    s390x-linux-ld: kernel/cpu.o: in function `trace_event_raw_event_cpuhp_multi_enter':
> >    cpu.c:(.text+0x352): undefined reference to `__tsan_memset'
> > ..
> >
> > --
> > 0-DAY CI Kernel Test Service
> > https://01.org/lkp
> >

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